{"product_id":"marstek-b2500-d-balcony-solar-storage-224kwh-lifepo4-2-mppt-1600w-pv-input-800w-output-ip65-wifi-app","title":"Marstek B2500-D Balcony Solar Storage, 2.24 kWh LiFePO4 – 2 MPPT, 1,600 W PV Input, 800 W Output, IP65, Wi-Fi App (Saturn)","description":"\u003cdiv style=\"font-family:'Helvetica Neue',Arial,sans-serif;color:#1f2a30;max-width:100%;line-height:1.6;\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv style=\"background:linear-gradient(135deg,#1a3d2b,#2d6647);color:#fff;border-radius:14px;padding:22px 22px 18px;margin-bottom:20px;\"\u003e\n    \u003ch2 style=\"color:#fff;font-size:23px;font-weight:800;line-height:1.25;margin:0 0 6px;\"\u003eMarstek B2500-D Balcony Solar Storage with 2.24 kWh\u003c\/h2\u003e\n    \u003cp style=\"font-size:15px;opacity:.9;margin:0 0 12px;\"\u003eSolar battery storage for retrofit – 2 MPPT inputs, 1,600 W PV input, 800 W output\u003c\/p\u003e\n    \u003cdiv style=\"display:flex;flex-wrap:wrap;gap:8px;\"\u003e\n      \u003cspan style=\"background:rgba(255,255,255,.14);border-radius:20px;padding:5px 13px;font-size:13px;\"\u003e2.24 kWh LiFePO4\u003c\/span\u003e\n      \u003cspan style=\"background:rgba(255,255,255,.14);border-radius:20px;padding:5px 13px;font-size:13px;\"\u003e1,600 W PV input (2 MPPT)\u003c\/span\u003e\n      \u003cspan style=\"background:rgba(255,255,255,.14);border-radius:20px;padding:5px 13px;font-size:13px;\"\u003e800 W output\u003c\/span\u003e\n      \u003cspan style=\"background:rgba(255,255,255,.14);border-radius:20px;padding:5px 13px;font-size:13px;\"\u003eIP65\u003c\/span\u003e\n      \u003cspan style=\"background:rgba(255,255,255,.14);border-radius:20px;padding:5px 13px;font-size:13px;\"\u003e10-year warranty\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Introduction --\u003e\n  \u003cp style=\"font-size:15.5px;margin:0 0 18px;\"\u003e\n    The \u003cstrong\u003eMarstek Saturn B2500-D\u003c\/strong\u003e is a balcony solar storage unit with \u003cstrong\u003e2.24 kWh\u003c\/strong\u003e LiFePO4 battery that retrofits easily to an existing balcony power system. Two independent MPPT inputs accept up to \u003cstrong\u003e1,600 W\u003c\/strong\u003e of PV power, while the output delivers up to \u003cstrong\u003e800 W\u003c\/strong\u003e to your micro-inverter – perfect for 800 W balcony systems. Store excess solar power generated during the day and use it in the evening and night. With MC4 connectors, the solar storage is compatible with virtually all standard solar modules and micro-inverters, connects via plug and play in minutes, and is expandable up to \u003cstrong\u003e8.96 kWh\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003c!-- How it works --\u003e\n  \u003cdiv style=\"background:linear-gradient(135deg,#f8f9fa,#eef5f0);border-radius:12px;padding:16px 20px;margin:0 0 20px;\"\u003e\n    \u003ch3 style=\"color:#1a3d2b;font-size:16px;margin:0 0 6px;\"\u003eHow the solar storage works\u003c\/h3\u003e\n    \u003cp style=\"margin:0;font-size:14.5px;\"\u003eThe B2500-D sits between your solar modules and micro-inverter: the modules charge the storage via the MC4 inputs, and the storage supplies power to the inverter via its MC4 outputs. Your existing inverter continues to operate – no replacement is necessary.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Suitable for --\u003e\n  \u003cdiv style=\"background:linear-gradient(135deg,#f8f9fa,#eef5f0);border-radius:12px;padding:16px 20px;margin:0 0 20px;\"\u003e\n    \u003ch3 style=\"color:#1a3d2b;font-size:16px;margin:0 0 6px;\"\u003eWho is this suitable for?\u003c\/h3\u003e\n    \u003cp style=\"margin:0;font-size:14.5px;\"\u003eIdeal for balcony power system owners who generate more solar power during the day than they consume and want to use the surplus themselves in the evening or night, rather than feeding it into the grid. The two MPPT inputs are particularly well-suited for east–west installations and modules with different orientations.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Features --\u003e\n  \u003cdiv style=\"display:flex;flex-wrap:wrap;gap:14px;margin:0 0 20px;\"\u003e\n    \u003cdiv style=\"flex:1 1 260px;border-left:4px solid #1a3d2b;background:#f8f9fa;border-radius:8px;padding:14px;\"\u003e\n      \u003cstrong\u003e2 independent MPPT inputs\u003c\/strong\u003e\n      \u003cp style=\"margin:6px 0 0;font-size:13.5px;\"\u003eUp to 1,600 W PV input power (2 × 800 W), voltage range 12–59 V – optimal yield even with differently oriented modules.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 260px;border-left:4px solid #2d5a27;background:#f8f9fa;border-radius:8px;padding:14px;\"\u003e\n      \u003cstrong\u003e800 W output, universally compatible\u003c\/strong\u003e\n      \u003cp style=\"margin:6px 0 0;font-size:13.5px;\"\u003e2 × 400 W DC output (16–40 V) via MC4 – suitable for virtually all standard micro-inverters and 800 W balcony systems.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 260px;border-left:4px solid #ed6c02;background:#f8f9fa;border-radius:8px;padding:14px;\"\u003e\n      \u003cstrong\u003eLiFePO4 with over 6,000 cycles\u003c\/strong\u003e\n      \u003cp style=\"margin:6px 0 0;font-size:13.5px;\"\u003eUp to 15 years lifespan, 10-year manufacturer's warranty, BMS protection against overvoltage, undervoltage, overcurrent, short circuit, and over\/under temperature.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 260px;border-left:4px solid #9c27b0;background:#f8f9fa;border-radius:8px;padding:14px;\"\u003e\n      \u003cstrong\u003eExpandable to 8.96 kWh\u003c\/strong\u003e\n      \u003cp style=\"margin:6px 0 0;font-size:13.5px;\"\u003eMultiple units can be combined – the battery storage grows with your energy needs.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 260px;border-left:4px solid #1a3d2b;background:#f8f9fa;border-radius:8px;padding:14px;\"\u003e\n      \u003cstrong\u003eAutomatic or manual mode\u003c\/strong\u003e\n      \u003cp style=\"margin:6px 0 0;font-size:13.5px;\"\u003eIn automatic mode, feed-in adjusts in real time to your household consumption (with smart meter); in manual mode, set fixed time windows.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 260px;border-left:4px solid #2d5a27;background:#f8f9fa;border-radius:8px;padding:14px;\"\u003e\n      \u003cstrong\u003eMarstek App with Wi-Fi and Bluetooth\u003c\/strong\u003e\n      \u003cp style=\"margin:6px 0 0;font-size:13.5px;\"\u003eMonitor solar production, charge state and consumption in real time, and adjust settings conveniently via smartphone.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Technical specifications --\u003e\n  \u003cdiv style=\"background:#f8f9fa;border-radius:10px;padding:6px 18px 14px;margin:0 0 20px;\"\u003e\n    \u003ch3 style=\"color:#1a3d2b;\"\u003eTechnical Specifications Marstek B2500-D\u003c\/h3\u003e\n    \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;width:46%;\"\u003eBrand \/ Model\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003e\u003cstrong\u003eMarstek Saturn B2500-D\u003c\/strong\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eCapacity\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003e2.24 kWh, expandable to 8.96 kWh\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eBattery technology\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eLiFePO4, over 6,000 charge cycles to 80% capacity\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003ePV input\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003e2 × MC4 (2 MPPT), max. 2 × 800 W (1,600 W total), 12–59 V, max. 2 × 13.5 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eDC output\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003e2 × MC4, max. 2 × 400 W (800 W total), 16–40 V, max. 15 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eCompatibility\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eVirtually all standard solar modules and micro-inverters (MC4)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eProtection rating \/ BMS\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eIP65; protection against overvoltage, undervoltage, overcurrent, short circuit, over\/under temperature\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eConnectivity\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eBluetooth 5.2, Wi-Fi 2.4 GHz, Marstek App\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eOperating temperature\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003e−10 °C to +50 °C (storage −10 °C to +55 °C)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eStandards\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eEN IEC 62109-1\/-2 (safety), EN IEC 61000-6 (EMC), IEC 62619 (battery), WEEE\/RoHS\/REACH\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eMaterial\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eABS, polycarbonate, metal\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eDimensions\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003e309 × 175 × 350 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003eWeight\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;border-bottom:1px solid #e3e9ed;\"\u003e20 kg (± 0.5 kg)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:7px 0;\"\u003eWarranty\u003c\/td\u003e\n        \u003ctd style=\"padding:7px 0;\"\u003e10-year manufacturer's warranty\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- In the box --\u003e\n  \u003cdiv style=\"background:#eef5f0;border-radius:10px;padding:14px 20px;margin:0 0 20px;\"\u003e\n    \u003ch3 style=\"color:#2d6647;font-size:16px;margin:0;\"\u003eIn the box\u003c\/h3\u003e\n    \u003cul style=\"margin:8px 0 0;padding-left:18px;font-size:14px;\"\u003e\n      \u003cli\u003e1× Marstek Saturn B2500-D balcony solar storage unit\u003c\/li\u003e\n      \u003cli\u003e4× MC4 extension cables\u003c\/li\u003e\n      \u003cli\u003e1× Tool\u003c\/li\u003e\n      \u003cli\u003e1× Warranty card\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003cdiv style=\"background:#f8f9fa;border-radius:10px;padding:6px 18px 14px;margin:0 0 20px;\"\u003e\n    \u003ch3 style=\"color:#1a3d2b;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n    \u003cp style=\"margin:0 0 12px;font-size:14px;\"\u003e\u003cstrong\u003eCan I connect the storage to my existing balcony power system?\u003c\/strong\u003e\u003cbr\u003eYes. The B2500-D is connected via MC4 between your solar modules and micro-inverter. Your existing inverter continues to be used.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 12px;font-size:14px;\"\u003e\u003cstrong\u003eDo I need a smart meter?\u003c\/strong\u003e\u003cbr\u003eNot necessarily. In manual mode, you set fixed feed-in time windows in the app. For automatic, consumption-dependent feed-in, a compatible smart meter is required.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 12px;font-size:14px;\"\u003e\u003cstrong\u003eHow much module power can I connect?\u003c\/strong\u003e\u003cbr\u003eUp to 2 × 800 W (1,600 W total) at the two MPPT inputs. The output to the inverter supplies up to 800 W.\u003c\/p\u003e\n    \u003cp style=\"margin:0;font-size:14px;\"\u003e\u003cstrong\u003eCan the storage unit be placed outdoors?\u003c\/strong\u003e\u003cbr\u003eYes. With IP65 protection rating, it is protected against dust and water jets and operates from −10 °C to +50 °C.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- CTA --\u003e\n  \u003cdiv style=\"background:linear-gradient(135deg,#1a3d2b,#2d6647);color:#fff;border-radius:12px;padding:22px;text-align:center;\"\u003e\n    \u003cdiv style=\"font-size:18px;font-weight:800;margin-bottom:6px;\"\u003eYour solar power, even after the sun has set.\u003c\/div\u003e\n    \u003cdiv style=\"font-size:14px;opacity:.9;\"\u003e2.24 kWh solar storage, 2 MPPT inputs, retrofitted in minutes.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Marstek","offers":[{"title":"Default Title","offer_id":54724951834962,"sku":"ELX-MST-B2500D","price":149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1102\/2830\/8306\/files\/Saturn-B2500D_main.webp?v=1789414365","url":"https:\/\/gardenplayco.shop\/products\/marstek-b2500-d-balcony-solar-storage-224kwh-lifepo4-2-mppt-1600w-pv-input-800w-output-ip65-wifi-app","provider":"Gardenplayco","version":"1.0","type":"link"}